"0"^^ . . . "the acoustic phenomenon that gives sound a penetrating quality; \"our ukuleles have been designed to have superior sound and projection\"; \"a prime ingredient of public speaking is projection of the voice\""@en-us . . . . "0.5"^^ . . . "projection"@en-us . "11512331-n"^^ . . . . "sound projection"@en-us . "110770196"@en-us . . . "projection"^^ . "111512331"^^ . "acoustic projection"@en-us .